Home / 161,394.78-242,098.65-56,224.38

Finding the Fourth Proportional to 161,394.78, 242,098.65 and 56,224.38

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Solution

The fourth proportional to 161,394.78, 242,098.65 and 56,224.38 is: 84,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,394.78 : 242,098.65 = 56,224.38 : x
  2. Step 2: Convert to fraction form
    161,394.78/242,098.65 = 56,224.38/x
  3. Step 3: Cross multiply
    161,394.78x = 242,098.65 × 56,224.38
  4. Step 4: Simplify right side
    161,394.78x = 13,611,846,495.09
  5. Step 5: Solve for x
    x = 13,611,846,495.09/161,394.78
  6. Step 6: Final answer
    x = 84,338.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.